Omega Diagnostics has reported a 27 per cent rise in turnover to s7.9 million.

The food allergy division saw a 21 per cent increase to s3.56 million while infectious disease grew eight per cent to s2.8 million with allergy and autoimmune revenue up 134 per cent to s1.56 million.

Sales of Food Detective allergy testing kits fell slightly to s772,000 but are now being sold in 54 countries.

The Alva company saw pre-tax profits halve from s210,000 to s105,000 in the 12 months to March 31, 2011.

The company hopes to see greater profits from the acquisition of the Allergopharma it made last year.

Andrew Shepherd, chief executive, said: "Since acquiring the Allergy range in December 2010 sales of s955k have been achieved which has been dominated by sales to the German domestic market.

"Export sales to Russia and Poland have commenced and it is the growth of export sales through the Omega distribution network that is a priority for the financial year ahead.

"There are still difficulties with some Eurozone countries but we fully expect that our anticipated growth in the BRIC countries will yield major growth going forward and counter any negative effects experienced elsewhere in the world."

David Evans, non-executive chairman, said: "Trading in the first quarter of the year is in line with management expectation and we are optimistic for the export potential of the existing allergy products."